What fun geocaching can be.  Searching for treasures and missives in hidden places. According to Buffalo Rising, there are over 20,000 caches within 100 miles of Buffalo including a Frank Lloyd Wright series.

What do you need to geocache? The only  thing you need is a  GPS device or a GPS-enabled mobile phone so that you can navigate to the cache. For more specifics.

Here is a list of some Buffalo geocaches.

There are guidelines published by a number of people but geocaching.com appears to be the dominant source.